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December 18-20 Talking Points - Part 2


am19psu

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I'll admit I was severely bummed at the GFS tonight, but the EURO has my spirits back. I've always thought the GFS would revert back to the snowy scenario, but today's vacillations were discouraging to say the least. With the EURO now onboard, I fully expect the GFS to come significantly further N&W, as the EURO should as well. In another 36 hours, many people here will be ecstatic. :snowman:

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jfk is like .6

That doesnt make sense though-- how is NYC getting .50-.75 and JFK getting only .6 when JFK is 25 miles east of NYC?  Furthermore, central long island is getting 1.00-1.25"  It shouldnt dip in the middle and then go back up lol.

Interpolating based on that JFK/western long island should be .75-1.00 

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That doesnt make sense though-- how is NYC getting .75-1.00 and JFK getting only .6 when JFK is 25 miles east of NYC? Furthermore, central long island is getting 1.25" It shouldnt dip in the middle and then go back up lol.

Interpolating based on that JFK/western long island should be 1.00-1.25

relax im not even sure where jfk is, i thought it was right on the ocean just south of nyc, im not from the area...if thats the case then yes your closer to 1

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relax im not even sure where jfk is, i thought it was right on the ocean just south of nyc, im not from the area...if thats the case then yes your closer to 1

Haha, Im relaxed, just trying to figure out the gradient.  JFK itself is southeast of NYC by about 20 miles and Im 5 miles east of there or about 25 miles southeast of NYC

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Something that can easily be accomplished, the 12z Euro tomorrow is going to be very interesting to say the least, very curious to see the Euro ensembles in an hour or so. This is a prime example of why people should never throw in the towel to early on a storm especially when it is still 3-4 days out.

Literally 2-4 hrs faster with the caputure and we are all buried

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This doesnt really need to be that much further southwest to totally bury us lol. How many days of snowfall are we talking about? 2? Looks like the thing just stalls out lol.

The crazy thing is that amazing run from the GFS a few days back might have been right after all lol. It gave us 2+ feet of snow.

This is the kind of storm that can close off/pivot/loop-de-loop given the blocked flow upstream and the speed at which it will probably intensify over the ocean. It doesn't surprise me at all that this can produce major snow amounts where it pivots over, and it can last for over a day since it has nowhere to go but into a block.

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So the model that has been so consistent at showing a NON EVENT now is an event?

Interesting!

HPC not buying it either at this point and time...

WHILE ONLY SLIGHTLY LESS AMPLIFIED ALOFT CROSSINGTHE SOUTHEAST ALSO FORMS A SECONDARY LOW IN THE NORTHEASTGULF...BUT IT IS A LITTLE WEAKER AND PROGRESSIVE...BUT STILLRESULTS IN A NEARLY IDENTICAL SURFACE LOW DEPICTION AT 84 HRS.HOWEVER...ITS SOLUTION APPEARS MORE ATTRIBUTED TO THE RETROGRADINGCYCLONE CROSSING ONTARIO WHICH AIDS IN BUILDING A SHORTWAVE RIDGEOVER THE NORTHWEST ATLANTIC. GIVEN THAT THE ECMWF'S CYCLONE'SPOSITION CROSSING ONTARIO LIES NEAR THE FAST AND NORTHWEST EDGESOF AN INCREASINGLY LARGE GUIDANCE ENVELOPE...ITS SURFACE LOWPOSITION NEAR THE NC/SC COAST AT 84 HRS IS ALSO IN QUESTION.THUS...RECOMMEND DISCOUNTING THE NAM/ECMWF SURFACE LOW EVOLUTIONOFF THE SC/NC COAST AT 84 HRS AND USING AN INTERMEDIATE/CONSENSUSAPPROACH UNTIL THE EVENT NEARS AND THE ACCOMPANYING SOLUTIONSPREAD DIMINISHES.

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For some reason the SV maps always look ridiculously juicy compared to the WSI maps. Take a look at the staff forum...definitely different than that.

Yeah I saw them a few minutes ago. I'll take comfort in the fact that I am on the western edge of the CCB and get some decent snows..and go to bed happy. Long Island really does get smacked on this run.

I'm just hoping this isn't one of the burp runs. On the other side of it..ooping through 06z to 00z NCEP/Globa lmodels today--it seems like they were all trending west with the PV and closer to dropping it in..but I guess it had to get way worse looking before it got better.

We will see tomorrow.

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Yeah I saw them a few minutes ago. I'll take comfort in the fact that I am on the western edge of the CCB and get some decent snows..and go to bed happy. Long Island really does get smacked on this run.

I'm just hoping this isn't one of the burp runs. On the other side of it..ooping through 06z to 00z NCEP/Globa lmodels today--it seems like they were all trending west with the PV and closer to dropping it in..but I guess it had to get way worse looking before it got better.

We will see tomorrow.

according to Nate, the cumulative precip map after 162 hrs shows about 1 inch qpf.

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